Lake Arthur, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake Arthur, a town in Vermilion County, Louisiana.
Overnight
72°F
Clear
Clear, with a low around 72. Northeast wind around 0 mph.
7-day forecast for Lake Arthur
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Clear | 0 mph | 0% |
| Saturday | 94°F | Sunny | 0 to 5 mph E | 1% |
| Saturday Night | 74°F | Clear | 0 to 5 mph SE | 1% |
| Sunday | 95°F | Sunny | 0 to 5 mph SE | 5% |
| Sunday Night | 76°F | Mostly Clear | 0 to 5 mph SW | 5% |
| Monday | 95°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 18% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 18% |
| Tuesday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 15% |
| Tuesday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 15% |
| Wednesday | 96°F | Sunny | 5 to 10 mph NE | 10% |
| Wednesday Night | 75°F | Mostly Clear | 5 to 10 mph NE | 10% |
| Thursday | 94°F | Sunny | 10 mph NE | 6% |
| Thursday Night | 73°F | Mostly Clear | 5 to 10 mph NE | 6% |
| Friday | 92°F | Sunny | 10 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Lake Arthur (30.080, -92.677). Updated through the day.
Growing snapshot for Lake Arthur
Last spring frost
Feb 10
First fall frost
Dec 11
Growing season
307 days
Hardiness zone
9a
More local growing data for Lake Arthur: nearby ZIP 70542 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lake Arthur 7 Sw, La (11 mi from Lake Arthur). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.